runtime: fix clean shutdown exit codes

src/db/Main.cpp

@@ -146,7 +146,7 @@ int main()
 	}
 
 	log_destroy();
-	return 1;
+	return 0;
 }
 
 void emptybeat(LPHEART heart, int pulse)

src/game/main.cpp

@@ -402,14 +402,14 @@ int main(int argc, char **argv)
 
 	if (!start(argc, argv)) {
 		CleanUpForEarlyExit();
-		return 0;
+		return 1;
 	}
 
 	quest::CQuestManager quest_manager;
 
 	if (!quest_manager.Initialize()) {
 		CleanUpForEarlyExit();
-		return 0;
+		return 1;
 	}
 
 	MessengerManager::instance().Initialize();
@@ -486,7 +486,7 @@ int main(int argc, char **argv)
 #endif
 
 	log_destroy();
-	return 1;
+	return 0;
 }
 
 void usage()